5 papers · 1 filter
Thermometry of Trapped Ions Based on Bichromatic Driving
Xie-Qian Li, Yi Tao, Ting Chen +4
Accurate thermometry of laser-cooled ions is crucial for the performance of the trapped-ions quantum computing platform. However, most existing methods face a computational exponen…
Mode-resolved thermometry of trapped ion with Deep Learning
Yi Tao, Ting Chen, Yi Xie +5
In trapped ion system, accurate thermometry of ion is crucial for evaluating the system state and precisely performing quantum operations. However, when the motional state of a sin…
Self-Testing of a Single Quantum System: Theory and Experiment
Xiao-Min Hu, Yi Xie, Atul Singh Arora +13
Certifying individual quantum devices with minimal assumptions is crucial for the development of quantum technologies. Here, we investigate how to leverage single-system contextual…
Estimation of the Laser Frequency Nosie Spectrum by Continuous Dynamical Decoupling
Manchao Zhang, Yi Xie, Jie Zhang +5
Decoherence induced by the laser frequency noise is one of the most important obstacles in the quantum information processing. In order to suppress this decoherence, the noise powe…
Scheme and Experimental Demonstration of Fully Atomic Weak Value Amplification
Chun-wang Wu, Jie Zhang, Yi Xie +4
In this paper, we explore the possibilities of realizing weak value amplification (WVA) using purely atomic degrees of freedom. Our scheme identifies the internal electronic states…